JPS6015330Y2 - Feedthrough capacitor unit - Google Patents
Feedthrough capacitor unitInfo
- Publication number
- JPS6015330Y2 JPS6015330Y2 JP7658280U JP7658280U JPS6015330Y2 JP S6015330 Y2 JPS6015330 Y2 JP S6015330Y2 JP 7658280 U JP7658280 U JP 7658280U JP 7658280 U JP7658280 U JP 7658280U JP S6015330 Y2 JPS6015330 Y2 JP S6015330Y2
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- main body
- hole
- opening
- surface side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Description
【考案の詳細な説明】
本考案は、主として、TV受像機のアンテナ入力回路に
使用するのに好適な貫通形コンデンサユニットに関する
。DETAILED DESCRIPTION OF THE INVENTION The present invention primarily relates to a feedthrough capacitor unit suitable for use in an antenna input circuit of a TV receiver.
′■受像機においては、信号電波の反射によるコースト
あるいは反射像等の映像障害を防止すると共に、伝送能
率を向上させ、フィーダ線における信号の往復反射等を
防止するため、従来より、第1図に示すように、同軸ケ
ーブルの中心導体に結合コンデンサC1を接続すると共
に、外部導体に不要周波数信号をパスさせるためのバイ
パスコンデンサC2を接続した構成のアンテナ入力回路
ユニットが使用されてきた。In order to prevent video disturbances such as coasting or reflected images caused by reflection of signal radio waves, as well as to improve transmission efficiency and prevent back-and-forth reflection of signals on feeder lines, conventional receivers have been using the method shown in Figure 1. As shown in FIG. 1, an antenna input circuit unit has been used in which a coupling capacitor C1 is connected to the center conductor of a coaxial cable, and a bypass capacitor C2 is connected to the outer conductor for passing unnecessary frequency signals.
しかし、この従来のアンテナ入力回路ユニットは、コン
デンサC□、C2がリード線を有するため、リード線の
インダクタンスが働らいて、VHF、 UHF帯の周波
数特性が悪化し、反射係数が大きくなること、またリー
ドインダクタンスが大きいため、同軸ケーブルの特性イ
ンピーダンスとの間の整合をとることが困難であること
等の欠点があった。However, in this conventional antenna input circuit unit, since the capacitors C□ and C2 have lead wires, the inductance of the lead wires acts, deteriorating the frequency characteristics in the VHF and UHF bands and increasing the reflection coefficient. Furthermore, since the lead inductance is large, it is difficult to match the characteristic impedance of the coaxial cable.
この従来の欠点を除去するものとして、第2図に示すよ
うな構造の貫通形コンデンサユニットが提案されている
。In order to eliminate this conventional drawback, a feedthrough capacitor unit having a structure as shown in FIG. 2 has been proposed.
この貫通形コンデンサユニットは、−面板1に貫通孔2
を有して箱状に形成された外部金具3の内部に、両側に
開口させた貫通孔4のまわりに電極5,6を有する平板
状の磁器コンデンサ7を、電極6が前記−面板1上に対
接するようにして固着すると共に、電極5には磁器コン
デンサ7の貫通孔4および外部金具3の貫通孔2内を貫
通させた筒状の内部端子8を、半田付は等の手段によっ
て固着し、該内部端子8と外部金具3とによって囲まれ
た磁器コンデンサ7のまわりに、絶縁樹脂9,10を充
填した構造となっている。This feedthrough capacitor unit has two through holes in the negative face plate 1.
A flat ceramic capacitor 7 having electrodes 5 and 6 around a through hole 4 opened on both sides is placed inside an external metal fitting 3 formed in a box shape with a At the same time, a cylindrical internal terminal 8 passed through the through hole 4 of the ceramic capacitor 7 and the through hole 2 of the external metal fitting 3 is fixed to the electrode 5 by means of soldering or the like. However, the structure is such that the ceramic capacitor 7 surrounded by the internal terminal 8 and the external metal fitting 3 is filled with insulating resins 9 and 10.
また、外部金具3の側面板の一つには、TV受像機側に
接続されるF型接栓等の接続具11が取付けられていて
、この接続具11と内部端子8内を貫通する中心導体1
2との間に、放電ギヤツブ付RC複合部品等より成る結
合コンデンサ13を接続しである。Furthermore, a connector 11 such as an F-type plug to be connected to the TV receiver is attached to one of the side plates of the external metal fitting 3, and a center that passes through the connector 11 and the inside of the internal terminal 8. Conductor 1
2, a coupling capacitor 13 made of an RC composite component with a discharge gear is connected.
該結合コンデンサ13は、バイパスコンデンサとなる前
記磁器コンデンサ7の上方の内部空間14に内蔵されて
いる。The coupling capacitor 13 is housed in an internal space 14 above the ceramic capacitor 7, which serves as a bypass capacitor.
更に、外部金具3は、磁器コンデンサ7を取付けた面と
対向する面側だけが開口されていて、この開口部を蓋1
5によって閉塞した構造となっている。Further, the external fitting 3 is open only on the side facing the side on which the ceramic capacitor 7 is attached, and this opening is opened with the lid 1.
5, it has a closed structure.
上述の貫通形コンデンサユニットは、リードインダクタ
ンスがなくなると同時に、完全なシールド効果が得られ
るため、周波数特性の向上、不要輻射波の進入防止等の
効果が得られる。The above-described feedthrough capacitor unit eliminates lead inductance and at the same time provides a complete shielding effect, resulting in improved frequency characteristics and prevention of unwanted radiation waves.
ところが、前述の如く、磁器コンデンサ7、結合コンデ
ンサ13等を収納する外部金具3の構造が、磁器コンデ
ンサ7の取付面側と対向する面側だけを開口させた構造
となっているため、磁器コンデンサ7、内部端子8、結
合コンデンサ13等の各部の取付、組立や、絶縁樹脂9
,10の注型等の作業を、比較的深くて狭い内部空間1
4を通し、その底部で行なわなければならない。However, as mentioned above, the structure of the external metal fitting 3 that houses the magnetic capacitor 7, the coupling capacitor 13, etc. is such that only the surface opposite to the mounting surface of the magnetic capacitor 7 is opened. 7. Attachment and assembly of internal terminals 8, coupling capacitors 13, etc., and insulating resin 9
, 10, the work such as casting is carried out in a relatively deep and narrow internal space 1.
4 and must be done at the bottom.
このため、上記各作業にしにくく、作業性に欠けるとい
う欠点があった。For this reason, it is difficult to carry out each of the above-mentioned operations, and has the disadvantage of lacking in workability.
本考案は上述する従来の欠点を除去し、外部金具に対す
る各部品の取付、組立の作業性が非常に容易な貫通形コ
ンデンサユニットを提供することを目的とする。It is an object of the present invention to provide a feedthrough capacitor unit which eliminates the above-mentioned drawbacks of the conventional capacitor, and which makes it easy to attach and assemble each component to an external metal fitting.
上記目的を達成するため、本考案は、少なくとも一面側
に貫通孔を有する箱状の外部金具の内部に、°電極形成
面に開口する貫通孔を有するコンデンサを、電極の一方
が前記−面側に対接するようにして固着すると共に、該
コンデンサの電極の他方に前記2つの貫通孔内を貫通す
る内部端子を固着した貫通形コンデンサユニットにおい
て、前記外部金具は、前記−面側と対向する面側および
少なくとも一つの側面側を開口させた本体部分と、前記
開口を閉塞する蓋部分とより構成したことを特徴とする
。In order to achieve the above object, the present invention provides a capacitor having a through hole opening to the electrode forming surface inside a box-shaped external metal fitting having a through hole on at least one surface side, and a capacitor having a through hole opening to the electrode forming surface, with one of the electrodes facing the negative surface side. In the feed-through type capacitor unit, in which the external metal fitting is fixed to the surface opposite to the - surface side, and an internal terminal passing through the two through holes is fixed to the other electrode of the capacitor. The device is characterized by comprising a main body portion with an open side and at least one side surface side, and a lid portion that closes the opening.
以下実施例たる添付図面を参照し、本考案の内容を具体
的に説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The content of the present invention will be specifically described below with reference to the accompanying drawings, which are examples.
第3図は本考案に係る貫通形コンデンサユニットの断面
図である。FIG. 3 is a sectional view of a feedthrough capacitor unit according to the present invention.
図において第2図と同一の参照符号は、機能的に同一性
ある構成部分を示している。In the figures, the same reference numerals as in FIG. 2 indicate functionally identical components.
図示する如く、外部金具3は、磁器コンデンサ7を取付
けた本体部分16と、該本体部分16に装着される蓋部
分17とより構成されている。As shown in the figure, the external metal fitting 3 is composed of a main body portion 16 to which the ceramic capacitor 7 is attached, and a lid portion 17 attached to the main body portion 16.
前記本体部分16は、この実施例では、第4図にも示す
ように、磁器コンデンサ7を取付けた底面側と対向する
上面および接続具11を取付けた側面18と対向する他
の側面が、面板を有しない開口部19.20となってい
る。In this embodiment, as shown in FIG. 4, the main body portion 16 has a top surface facing the bottom surface on which the ceramic capacitor 7 is attached and another side surface facing the side surface 18 on which the connector 11 is attached. The openings 19 and 20 have no.
一方、前記蓋部分17は、前記開口面19,20を閉塞
する2つの面板21,22を備えてL型に形威し、面板
21.22の側端縁および面板21の幅方向端縁に、は
ぼ直角に折れ曲る端縁部23.24,25を設けである
。On the other hand, the lid portion 17 has two face plates 21 and 22 that close the opening surfaces 19 and 20, and has an L-shape. , are provided with edge portions 23, 24, 25 that are bent at right angles.
蓋部分17は、本体部分16の開口部19,20を閉塞
するようにして、その上部に嵌合装着される。The lid portion 17 is fitted onto the upper portion of the main body portion 16 so as to close the openings 19 and 20 of the main body portion 16 .
蓋部分17と本体部分16との嵌合装着にあたっては、
本体部分16の側面の一部に設けた凸部26に、蓋部分
17の端縁部25に設けた凹部27を嵌合圧接させたり
、またはネジ止めする等の構造とする。When fitting the lid portion 17 and the main body portion 16,
The structure is such that a convex part 26 provided on a part of the side surface of the main body part 16 is fitted into a concave part 27 provided on an end edge part 25 of the lid part 17 or fixed with a screw.
上述の如く、本考案においては、磁器コンデンサ7を取
付ける本体部分16が、磁器コンデンサ7を取付ける一
面側と対向する面および側面の少なくとも一面を開口部
18.19としであるから、外部金具3への磁器コンデ
ンサ7の組込み、絶縁樹脂9,10の注型、結合コンデ
ンサ13の半田付は接続等の各作業を、大きく開口した
開口部19.20を通して行なうことができるから、各
作業が非常にやり易くなり、作業性が著るしく向上する
。As described above, in the present invention, the main body portion 16 to which the ceramic capacitor 7 is attached has at least one opening 18, 19 on the surface opposite to the side on which the ceramic capacitor 7 is attached, and the opening 18.19. Assembling the ceramic capacitor 7, casting the insulating resins 9 and 10, and soldering the coupling capacitor 13 can be performed through the large openings 19 and 20, making each task extremely easy. The process becomes easier and the workability is significantly improved.
しかも、前記開口部19.20は蓋部分17によって完
全に閉塞することができるから、シールド効果を損うこ
ともない。Moreover, since the openings 19, 20 can be completely closed by the lid portion 17, the shielding effect is not impaired.
また実施例に示すように、本体部分16と蓋部分17と
に凹凸係合機構26.27を設けることにより、蓋部分
17を本体部分16に簡単かつ確実に着脱することがで
きる。Further, as shown in the embodiment, by providing the concave-convex engagement mechanisms 26 and 27 on the main body portion 16 and the lid portion 17, the lid portion 17 can be easily and reliably attached to and removed from the main body portion 16.
第5図は本考案に係る貫通形コンデンサユニットの他の
実施例における分解斜視図、第6図は同じくその組立断
面図である。FIG. 5 is an exploded perspective view of another embodiment of the feedthrough capacitor unit according to the present invention, and FIG. 6 is an assembled sectional view thereof.
この実施例では、本体部分16の上方部、すなわち磁器
コンデンサ7を取付けた面とは反対側の上方部を、側面
板18の上端部から該側面板18と対向する側面板に向
けて下降傾斜する如く、軸線に対して斜めになる平面で
斜状に切断しである。In this embodiment, the upper part of the main body part 16, that is, the upper part on the opposite side to the surface on which the ceramic capacitor 7 is attached, is inclined downward from the upper end of the side plate 18 toward the side plate opposite to the side plate 18. As shown, it is cut obliquely on a plane that is oblique to the axis.
したがって、この実施例では、磁器コンデンサ7および
接続具11を取付けた面と対向する上面および側面ばか
りでなく、これらの間にある側面板28.29の上方に
も、斜状の開口部が形威されるから、本体部分16に対
する各部品の組込み、取付作業が一層容易になる。Therefore, in this embodiment, oblique openings are formed not only on the top surface and side surfaces facing the surface on which the ceramic capacitor 7 and the connector 11 are attached, but also above the side plates 28 and 29 located between these. This makes it easier to assemble and attach each component to the main body portion 16.
また、この実施例では、蓋部分17は、前記本体部分1
6の上方開口形状に合うように、取付側の端部を斜状に
形威しである。Further, in this embodiment, the lid portion 17 is
The end on the mounting side is shaped obliquely to match the shape of the upper opening of 6.
すなわち、該蓋部分17は、磁器コンデンサ7を取付け
た面に対向する面板30と接続具11を取付けた側面板
18に対向する面板31との間に、本体部分16の斜状
の側面板28.29の開口部を補なう斜状の側面板32
.33を連設した構造となっている。That is, the lid portion 17 has an oblique side plate 28 of the main body portion 16 between a face plate 30 facing the surface on which the ceramic capacitor 7 is attached and a face plate 31 facing the side plate 18 on which the connector 11 is attached. Slanted side plate 32 that complements the opening of .29
.. It has a structure in which 33 are connected in a row.
蓋部分17を本体部分16に装着するにあたっては、両
者の斜状の開口部を互に対向させつつ、嵌合装着する。When attaching the lid part 17 to the main body part 16, the oblique openings of both parts are made to face each other and are fitted together.
26.27はこのとき両者を係合させる凹凸係合機構で
ある。Reference numerals 26 and 27 are concave and convex engagement mechanisms that engage the two at this time.
これにより本体部分16の開口部が蓋部分17によって
閉塞されるので、シールド効果が得られる。As a result, the opening of the main body portion 16 is closed by the lid portion 17, so that a shielding effect can be obtained.
以上述べたように、本考案は、少なくとも一面側に貫通
孔を有する箱状の外部金具の内部に、電極形成面に開口
する貫通孔を有するコンデンサを、電極の一方が前記−
面側に対接するようにして固着すると共に、該コンデン
サの電極の他方に前記貫通孔内を貫通する内部端子を固
着した貫通形コンデンサユニットにおいて、前記外部金
具は、前記−面側に対向する面側および少なくとも一つ
の側面側を開口させた本体部分と、該本体部分に対し前
記開口を閉塞するように装着される蓋部とより構成した
ことを特徴とするから、外部金具の内部への磁器コンデ
ンサの組込み、磁器コンデンサのまわりに対する絶縁樹
脂の注入充填、結合コンデンサの半田接続等の作業を、
大きく開口した上面および側面を通して行なうことがで
きるようになり、各作業が非常にやり易くなり、作業性
が向上する。As described above, the present invention provides a capacitor having a through hole opening to the electrode forming surface inside a box-shaped external metal fitting having a through hole on at least one side, and one of the electrodes having a through hole opened to the electrode forming surface.
In a feed-through capacitor unit in which the external fitting is fixed to the surface facing the negative surface side and an internal terminal passing through the through hole is fixed to the other electrode of the capacitor, the external fitting is fixed to the surface facing the negative surface side. The present invention is characterized by comprising a main body portion having an open side and at least one side surface side, and a lid portion attached to the main body portion so as to close the opening. We handle work such as assembling capacitors, injecting and filling insulating resin around ceramic capacitors, and soldering connection of coupling capacitors.
It is now possible to perform operations through the large open top and side surfaces, making each task extremely easy and improving work efficiency.
しかも、開口部は蓋部分によって閉塞されるから、シー
ルド効果を損なうこともない等々の効果を得ることがで
きる。Moreover, since the opening is closed by the lid, the shielding effect is not impaired, and other effects can be obtained.
第1図は従来のアンテナ入力回路図、第2図は従来の貫
通形コンデンサユニットの部分断面図、第3図は本考案
に係る貫通形コンデンサユニットの断面図、第4図はそ
の分解斜視図、第5図および第6図は本考案に係る貫通
形コンデンサユニットの他の実施例における分解斜視図
および組立断面図である。
3・・・・・・外部金具、4・・・・・・貫通孔、5,
6・・・・・・電極、7・・・・・・磁器コンデンサ、
8・・・・・・内部端子、16・・・・・・本体部分、
17・・・・・・蓋部分、19.20・・・・・・開口
部。Fig. 1 is a conventional antenna input circuit diagram, Fig. 2 is a partial sectional view of a conventional feedthrough capacitor unit, Fig. 3 is a sectional view of a feedthrough capacitor unit according to the present invention, and Fig. 4 is an exploded perspective view thereof. , FIG. 5, and FIG. 6 are an exploded perspective view and an assembled sectional view of other embodiments of the feedthrough capacitor unit according to the present invention. 3...External metal fitting, 4...Through hole, 5,
6... Electrode, 7... Magnetic capacitor,
8...Internal terminal, 16...Body part,
17...Lid part, 19.20...Opening.
Claims (1)
部に、電極形成面に開口する貫通孔を有するコンデンサ
を、電極の一方が前記−面側に対接するようにして固着
すると共に、該コンデンサの電極の他方に前記貫通孔内
を貫通する内部端子を固着した貫通形コンデンサユニッ
トにおいて、前記外部金具は、前記コンデンサを取付け
た前記−面側と対向する面側および少なくとも一つの側
面側を開口させた本体部分と、該本体部分に対し前記開
口を閉塞するように装着される蓋部分とを備えることを
特徴とする貫通形コンデンサユニット。A capacitor having a through hole opening to the electrode forming surface is fixed inside a box-shaped external metal fitting having a through hole on at least one surface side, with one of the electrodes facing the − surface side, and the capacitor In the feed-through type capacitor unit in which an internal terminal passing through the through hole is fixed to the other electrode of the through hole, the external fitting has an opening on a surface side opposite to the negative surface side on which the capacitor is attached and at least one side surface side. What is claimed is: 1. A feedthrough capacitor unit comprising: a main body portion; and a lid portion attached to the main body portion so as to close the opening.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7658280U JPS6015330Y2 (en) | 1980-06-02 | 1980-06-02 | Feedthrough capacitor unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7658280U JPS6015330Y2 (en) | 1980-06-02 | 1980-06-02 | Feedthrough capacitor unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS572647U JPS572647U (en) | 1982-01-08 |
JPS6015330Y2 true JPS6015330Y2 (en) | 1985-05-14 |
Family
ID=29439204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7658280U Expired JPS6015330Y2 (en) | 1980-06-02 | 1980-06-02 | Feedthrough capacitor unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6015330Y2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59136924A (en) * | 1983-01-25 | 1984-08-06 | 株式会社村田製作所 | Resin-sealing structure for electronic part |
-
1980
- 1980-06-02 JP JP7658280U patent/JPS6015330Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS572647U (en) | 1982-01-08 |
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